S
M
T
W
T
F
S
28
91°
71°
29
89°
71°
30
90°
69°
1
90°
70°
2
92°
70°
3
91°
69°
4
90°
70°
5
89°
71°
6
87°
68°
7
88°
67°
8
88°
71°
9
87°
71°
10
87°
70°
11
88°
71°
12
88°
72°
13
90°
72°
14
89°
71°
15
88°
72°
16
88°
72°
17
89°
71°
18
86°
71°
19
87°
70°
20
88°
69°
21
89°
70°
22
87°
70°
23
85°
69°
24
87°
69°
25
88°
71°
26
88°
71°
27
89°
72°
28
88°
72°
29
88°
71°
30
89°
72°
31
91°
72°
1
92°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Marion
Marion's July 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 67° and 72°. The average high for July is 89° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Marion. See also: August | September | October.
